Question

the mean of p,p+3,p+6,p+9,p+12,p+15 is 18 ​

Answer 1

Step-by-step explanation:

p+p+3+p+6+p+9+p+12+p+15/6=18

6p+45/6=18

6p+7.5=18

6p=18-7.5

6p=10.5

p=10.5/6

p=1.75